19741160

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2339}}^1$

素因数の和:2561

約数の個数: 32

約数和(自身を含む): 44647200

約数和(自身を除く): 24906040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 2339, 4220, 4678, 8440, 9356, 11695, 18712, 23390, 46780, 93560, 493529, 987058, 1974116, 2467645, 3948232, 4935290, 9870580, 19741160]

約数ペア:

[(1, 19741160), (2, 9870580), (4, 4935290), (5, 3948232), (8, 2467645), (10, 1974116), (20, 987058), (40, 493529), (211, 93560), (422, 46780), (844, 23390), (1055, 18712), (1688, 11695), (2110, 9356), (2339, 8440), (4220, 4678)]